Optimus PM-804A Installation And Operating Instructions Manual page 19

11. Alarm message.
Audio input and zone selectors. When closing with a ground, one or several zone selection
contacts, the audio of the input will be transmitted to selected zones muting the lower priority
signals.
6. PRIORITY
This device has 4 layers of priority:
Priority 1 (max.)  PM-4Z (broadcasted to selected zones).
Priority 2  Alarm Message (broadcasted to selected zones).
Priority 3  CH1 (TALKOVER ON) (broadcasted to all zones).
Priority 4 (min.)  CH1 (TALKOVER OFF), CH2, CH3, CH4 (broadcasted to assigned zones).
7. WALL CONTROL PANEL WP-1
1. Push this switch for remote panel audio inputs activation. It will mute general
audio inputs.
2. LED indicator for remote panel input activation.
3. Volume control for wall panel Mic, Line input or remote music source.
4. XLR connector for Mic input connection.
5. RCA connectors (right and left) for Line input connection.
6. RJ45 connector to connect to PM-804A input.
The volume control of the WP-1 is always active and in serial with the volume of the zone to
which it is connected. It only affects general BGM inputs, it does not affect priority inputs
(CH1 TALKOVER, ALARM MESSAGE and PM-4Z).
PM-804A Version 1.1
PM-804A
8x4 Matrix Mixer
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